Resistance training is a popular form of conditioning aimed at enhancing sports performance. However, its use among younger athletes is controversial. A random sample of 4111 patients between the ages of 8 and 30 admitted to hospital emergency rooms with the injury classified as "weightlifting" was obtained. The injury was cross-classified as "accidental" if it was caused by dropping the weight or improper equipment use. Age Accidental Non-accidental Total 8-13 years 295 102 397 14-18 years 666 905 1571 19-22 years 242 530 772 23-30 years 367 1,004 1371 Total 1,570 2,541 4,111 What proportion of all injuries were suffered by 19-22 year-olds? Give your answer to two decimal places. Number